20194382920

素因数分解:

$2^3\times 5^1\times {\mathrm{241}}^1\times {\mathrm{1049}}^1\times {\mathrm{1997}}^1$

素因数の和:3298

約数の個数: 64

約数和(自身を含む): 45692262000

約数和(自身を除く): 25497879080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 241, 482, 964, 1049, 1205, 1928, 1997, 2098, 2410, 3994, 4196, 4820, 5245, 7988, 8392, 9640, 9985, 10490, 15976, 19970, 20980, 39940, 41960, 79880, 252809, 481277, 505618, 962554, 1011236, 1264045, 1925108, 2022472, 2094853, 2406385, 2528090, 3850216, 4189706, 4812770, 5056180, 8379412, 9625540, 10112360, 10474265, 16758824, 19251080, 20948530, 41897060, 83794120, 504859573, 1009719146, 2019438292, 2524297865, 4038876584, 5048595730, 10097191460, 20194382920]

約数ペア:

[(1, 20194382920), (2, 10097191460), (4, 5048595730), (5, 4038876584), (8, 2524297865), (10, 2019438292), (20, 1009719146), (40, 504859573), (241, 83794120), (482, 41897060), (964, 20948530), (1049, 19251080), (1205, 16758824), (1928, 10474265), (1997, 10112360), (2098, 9625540), (2410, 8379412), (3994, 5056180), (4196, 4812770), (4820, 4189706), (5245, 3850216), (7988, 2528090), (8392, 2406385), (9640, 2094853), (9985, 2022472), (10490, 1925108), (15976, 1264045), (19970, 1011236), (20980, 962554), (39940, 505618), (41960, 481277), (79880, 252809)]